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https://issues.apache.org/jira/browse/ARROW-12487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kouhei Sutou resolved ARROW-12487.
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Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 10115
[https://github.com/apache/arrow/pull/10115]
> [C++][Dataset] ScanBatches() hangs if there's an error during scanning
> ----------------------------------------------------------------------
>
> Key: ARROW-12487
> URL: https://issues.apache.org/jira/browse/ARROW-12487
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Affects Versions: 4.0.0
> Reporter: David Li
> Assignee: David Li
> Priority: Blocker
> Labels: dataset, datasets, pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> Errors during scanning aren't properly reported, causing the iterator to hang
> forever.
> This affects ScanBatches() and anything built on top of it (Python
> to_batches, TakeRows, etc)
> Verified on the 4.0.0 RC
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